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Finding the Fourth Proportional to 16,391.44, 24,585.72 and 8,493.58

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Solution

The fourth proportional to 16,391.44, 24,585.72 and 8,493.58 is: 12,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.44 : 24,585.72 = 8,493.58 : x
  2. Step 2: Convert to fraction form
    16,391.44/24,585.72 = 8,493.58/x
  3. Step 3: Cross multiply
    16,391.44x = 24,585.72 × 8,493.58
  4. Step 4: Simplify right side
    16,391.44x = 208,820,779.68
  5. Step 5: Solve for x
    x = 208,820,779.68/16,391.44
  6. Step 6: Final answer
    x = 12,739.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.